کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7887230 | 1509789 | 2018 | 22 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effects of Bi2O3-Nb2O5 additives on microstructure and magnetic properties of low-temperature-fired NiCuZn ferrite ceramics
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
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چکیده انگلیسی
NiCuZn ferrite with superior magnetic performance is vital ceramic material in multilayer chip inductors (MLCI) applications. In this study, low-temperature-sintered Ni0.22Cu0.2Zn0.58Fe2O4 ferrite ceramic doped with 1.0â¯wt% Bi2O3-xâ¯wt% Nb2O5 (where xâ¯=â¯0.0, 0.1, 0.2, 0.3, 0.4 and 0.5) was synthesized via solid-state reaction method. Effects of Bi2O3-Nb2O5 additives on microstructures and magnetic properties of NiCuZn ferrite ceramics sintered at 900â¯Â°C were systematically investigated. Results indicate that an appropriate amount of Bi2O3-Nb2O5 composite additives can significantly promote grain growth and densification of NiCuZn ferrite ceramics when sintered at low temperatures. Specifically, samples doped with 1.0â¯wt% Bi2O3 and 0.4â¯wt% Nb2O5 additives exhibited excellent initial permeability (~ 410 @ 1â¯MHz), high cutoff frequency (~ 10â¯MHz), high saturation magnetization (~ 54.92â¯emu/g), and low coercive force (~ 20.32â¯Oe). These observations indicate that NiCuZn ferrite ceramics doped with appropriate amounts of Bi2O3-Nb2O5 additives are great candidate materials for MLCI applications.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ceramics International - Volume 44, Issue 9, 15 June 2018, Pages 10545-10550
Journal: Ceramics International - Volume 44, Issue 9, 15 June 2018, Pages 10545-10550
نویسندگان
Yan Yang, Huaiwu Zhang, Jie Li, Fang Xu, Gongwen Gan, Dandan Wen,